| Index | Dewey Beach | Delaware | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 191 | 79,221 |
| Total private schools | n/a | 129 | 24,874 |
| Total post-secondary schools | n/a | 20 | 7,963 |
| Index | Dewey Beach | Delaware | National |
| Completed 8th grade | 93.7% | 86.3% | 84.3% |
| Completed high school | 89.6% | 85.3% | 83.0% |
| Completed some college | 81.7% | 57.7% | 59.4% |
| Completed associate degree | 69.0% | 38.2% | 38.5% |
| Completed bachelors | 59.7% | 30.5% | 30.3% |
| Completed masters | 28.4% | 12.4% | 11.5% |
| Completed professional degree | 7.1% | 3.5% | 3.3% |
| Completed doctorate | 5.2% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dewey Beach. Using the proficiency score averages, the average test scores for Dewey Beach, DE schools is n/a. The average student to teacher ratio is n/a. In Dewey Beach, DE, an average of 93.7% of students have completed 8th grade and an average of 89.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ocean View, DE | 2,637 | 78% | 62.5% |
| Rehoboth Beach, DE | 1,588 | 74% | 53.1% |
| Millsboro, DE | 4,448 | 60% | 25.3% |
| Milton, DE | 2,993 | 55% | 13.9% |
| Lewes, DE | 3,266 | 53% | 9.6% |
| Dewey Beach, DE | 442 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Kulm, ND | 442 | 43% | 11.5% |
| Depew, OK | 442 | 25% | 48.3% |
| Scurry, TX | 442 | 48% | 0.3% |
| Urbana, MO | 442 | 72% | 49.3% |
| Mooers, NY | 442 | 52% | 8.3% |
| Dewey Beach, DE | 442 | n/a |
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